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May 6th, 2026 | 9am-3pm | Food 11am-3pm!  
MILWAUKEE ELECTRIC TOOL CO.

MILWAUKEE 1/2 CHUCK KEY FOR 5378-20 HAMMER DRILL

SKU: M2110 Availability: Call for Availability
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FOR PICK UP IN OKC

This chuck key tightens the jaws of the 1/2 inch capacity chuck 48-66-5185. Key holder 48-66-4040 should be used to attach this chuck key to the cordset.